4 15902770 2021-01-15 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
5 c39be742 2021-07-09 op * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
6 c39be742 2021-07-09 op * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
7 c39be742 2021-07-09 op * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
8 c39be742 2021-07-09 op * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
9 c39be742 2021-07-09 op * Copyright (c) 2001 Markus Friedl. All rights reserved.
10 c39be742 2021-07-09 op * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
11 c39be742 2021-07-09 op * Copyright (c) 2001 Theo de Raadt. All rights reserved.
13 15902770 2021-01-15 op * Permission to use, copy, modify, and distribute this software for any
14 15902770 2021-01-15 op * purpose with or without fee is hereby granted, provided that the above
15 15902770 2021-01-15 op * copyright notice and this permission notice appear in all copies.
17 15902770 2021-01-15 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
18 15902770 2021-01-15 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
19 15902770 2021-01-15 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
20 15902770 2021-01-15 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
21 15902770 2021-01-15 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
22 15902770 2021-01-15 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
23 15902770 2021-01-15 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 74f0778b 2021-06-16 op #include <ctype.h>
27 002a84a1 2021-02-10 op #include <errno.h>
28 6abda252 2021-02-06 op #include <stdarg.h>
29 15902770 2021-01-15 op #include <stdio.h>
30 74f0778b 2021-06-16 op #include <stdlib.h>
31 32693ee6 2021-01-28 op #include <string.h>
33 15902770 2021-01-15 op #include "gmid.h"
35 c39be742 2021-07-09 op TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
36 c39be742 2021-07-09 op static struct file {
37 c39be742 2021-07-09 op TAILQ_ENTRY(file) entry;
40 c39be742 2021-07-09 op size_t ungetpos;
41 c39be742 2021-07-09 op size_t ungetsize;
42 c39be742 2021-07-09 op u_char *ungetbuf;
43 c39be742 2021-07-09 op int eof_reached;
46 c39be742 2021-07-09 op } *file, *topfile;
48 c39be742 2021-07-09 op struct file *pushfile(const char *, int);
49 c39be742 2021-07-09 op int popfile(void);
50 c39be742 2021-07-09 op int yyparse(void);
51 c39be742 2021-07-09 op int yylex(void);
52 c39be742 2021-07-09 op void yyerror(const char *, ...)
53 c39be742 2021-07-09 op __attribute__((__format__ (printf, 1, 2)))
54 c39be742 2021-07-09 op __attribute__((__nonnull__ (1)));
55 f3966209 2021-07-13 op void yywarn(const char *, ...)
56 f3966209 2021-07-13 op __attribute__((__format__ (printf, 1, 2)))
57 f3966209 2021-07-13 op __attribute__((__nonnull__ (1)));
58 c39be742 2021-07-09 op int kw_cmp(const void *, const void *);
59 c39be742 2021-07-09 op int lookup(char *);
60 c39be742 2021-07-09 op int igetc(void);
61 c39be742 2021-07-09 op int lgetc(int);
62 c39be742 2021-07-09 op void lungetc(int);
63 c39be742 2021-07-09 op int findeol(void);
66 15902770 2021-01-15 op * #define YYDEBUG 1
67 15902770 2021-01-15 op * int yydebug = 1;
70 3b21cca3 2021-06-29 op TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
72 3b21cca3 2021-06-29 op TAILQ_ENTRY(sym) entry;
79 c39be742 2021-07-09 op int symset(const char *, const char *, int);
80 c39be742 2021-07-09 op char *symget(const char *);
82 c39be742 2021-07-09 op struct vhost *new_vhost(void);
83 c39be742 2021-07-09 op struct location *new_location(void);
84 e17642a7 2021-02-01 op char *ensure_absolute_path(char*);
85 6abda252 2021-02-06 op int check_block_code(int);
86 6abda252 2021-02-06 op char *check_block_fmt(char*);
87 6abda252 2021-02-06 op int check_strip_no(int);
88 391825e3 2021-07-09 op int check_port_num(int);
89 a709ddf5 2021-02-07 op int check_prefork_num(int);
90 49b73ba1 2021-02-10 op void advance_loc(void);
91 c705ecb1 2021-05-03 op void only_once(const void*, const char*);
92 8ad1c570 2021-05-09 op void only_oncei(int, const char*);
93 8ad1c570 2021-05-09 op int fastcgi_conf(char *, char *, char *);
94 c92b802b 2021-06-11 op void add_param(char *, char *, int);
96 c39be742 2021-07-09 op static struct vhost *host;
97 c39be742 2021-07-09 op static struct location *loc;
98 c39be742 2021-07-09 op static int errors;
100 c39be742 2021-07-09 op typedef struct {
102 c39be742 2021-07-09 op char *string;
110 15902770 2021-01-15 op /* for bison: */
111 15902770 2021-01-15 op /* %define parse.error verbose */
113 c74c7030 2021-07-19 op %token ALIAS AUTO
115 c74c7030 2021-07-19 op %token CA CERT CGI CHROOT CLIENT
116 c74c7030 2021-07-19 op %token DEFAULT
117 c74c7030 2021-07-19 op %token ENTRYPOINT ENV
118 abc8801d 2021-07-19 op %token FASTCGI
119 c74c7030 2021-07-19 op %token INCLUDE INDEX IPV6
121 c74c7030 2021-07-19 op %token LANG LOCATION LOG
122 c74c7030 2021-07-19 op %token MAP MIME
123 ff05125e 2021-10-15 op %token OCSP OFF ON
124 72b033ef 2021-12-29 op %token PARAM PORT PREFORK PROTOCOLS PROXY
125 72b033ef 2021-12-29 op %token RELAY_TO REQUIRE RETURN ROOT
126 c74c7030 2021-07-19 op %token SERVER SPAWN STRIP
127 c74c7030 2021-07-19 op %token TCP TOEXT TYPE USER
128 5128c0b0 2022-01-01 op %token VERIFYNAME
132 c39be742 2021-07-09 op %token <v.string> STRING
133 c39be742 2021-07-09 op %token <v.number> NUM
135 c39be742 2021-07-09 op %type <v.number> bool
136 c39be742 2021-07-09 op %type <v.string> string
140 6b86655a 2021-06-29 op conf : /* empty */
141 c39be742 2021-07-09 op | conf include '\n'
143 c39be742 2021-07-09 op | conf varset '\n'
144 c39be742 2021-07-09 op | conf option '\n'
145 c39be742 2021-07-09 op | conf vhost '\n'
146 c39be742 2021-07-09 op | conf error '\n' { file->errors++; }
149 c39be742 2021-07-09 op include : INCLUDE STRING {
150 c39be742 2021-07-09 op struct file *nfile;
152 c39be742 2021-07-09 op if ((nfile = pushfile($2, 0)) == NULL) {
153 c39be742 2021-07-09 op yyerror("failed to include file %s", $2);
159 c39be742 2021-07-09 op file = nfile;
160 c39be742 2021-07-09 op lungetc('\n');
164 c74c7030 2021-07-19 op bool : ON { $$ = 1; }
165 c74c7030 2021-07-19 op | OFF { $$ = 0; }
168 c39be742 2021-07-09 op string : string STRING {
169 98f52178 2021-06-29 op if (asprintf(&$$, "%s%s", $1, $2) == -1) {
172 98f52178 2021-06-29 op yyerror("string: asprintf: %s", strerror(errno));
181 c39be742 2021-07-09 op varset : STRING '=' string {
182 3b21cca3 2021-06-29 op char *s = $1;
183 3b21cca3 2021-06-29 op while (*s++) {
184 c39be742 2021-07-09 op if (isspace((unsigned char)*s)) {
185 3b21cca3 2021-06-29 op yyerror("macro name cannot contain "
186 3b21cca3 2021-06-29 op "whitespaces");
192 3b21cca3 2021-06-29 op symset($1, $3, 0);
198 c74c7030 2021-07-19 op option : CHROOT string { conf.chroot = $2; }
199 c74c7030 2021-07-19 op | IPV6 bool { conf.ipv6 = $2; }
200 c74c7030 2021-07-19 op | MIME STRING string {
201 f3966209 2021-07-13 op yywarn("`mime MIME EXT' is deprecated and will be "
202 f3966209 2021-07-13 op "removed in a future version, please use the new "
203 f3966209 2021-07-13 op "syntax: `map MIME to-ext EXT'");
204 d19951cf 2021-07-09 op add_mime(&conf.mime, $2, $3);
206 c74c7030 2021-07-19 op | MAP string TOEXT string { add_mime(&conf.mime, $2, $4); }
207 c74c7030 2021-07-19 op | PORT NUM { conf.port = check_port_num($2); }
208 c74c7030 2021-07-19 op | PREFORK NUM { conf.prefork = check_prefork_num($2); }
209 c74c7030 2021-07-19 op | PROTOCOLS string {
210 5bc3c98e 2021-01-15 op if (tls_config_parse_protocols(&conf.protos, $2) == -1)
211 002a84a1 2021-02-10 op yyerror("invalid protocols string \"%s\"", $2);
213 c74c7030 2021-07-19 op | USER string { conf.user = $2; }
216 c74c7030 2021-07-19 op vhost : SERVER string {
217 b8e64ccd 2021-03-31 op host = new_vhost();
218 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&hosts, host, vhosts);
220 b8e64ccd 2021-03-31 op loc = new_location();
221 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&host->locations, loc, locations);
223 b8e64ccd 2021-03-31 op loc->match = xstrdup("*");
224 15902770 2021-01-15 op host->domain = $2;
226 cbeee4ca 2021-01-28 op if (strstr($2, "xn--") != NULL) {
227 f3966209 2021-07-13 op yywarn("\"%s\" looks like punycode: you "
228 f3966209 2021-07-13 op "should use the decoded hostname", $2);
230 c39be742 2021-07-09 op } '{' optnl servopts locations '}' {
231 fdea6aa0 2021-04-30 op if (host->cert == NULL || host->key == NULL)
232 002a84a1 2021-02-10 op yyerror("invalid vhost definition: %s", $2);
234 f3966209 2021-07-13 op | error '}' { yyerror("bad server directive"); }
237 15902770 2021-01-15 op servopts : /* empty */
238 c39be742 2021-07-09 op | servopts servopt optnl
241 c74c7030 2021-07-19 op servopt : ALIAS string {
242 cc8c2901 2021-04-29 op struct alist *a;
244 cc8c2901 2021-04-29 op a = xcalloc(1, sizeof(*a));
245 cc8c2901 2021-04-29 op a->alias = $2;
246 cc8c2901 2021-04-29 op if (TAILQ_EMPTY(&host->aliases))
247 cc8c2901 2021-04-29 op TAILQ_INSERT_HEAD(&host->aliases, a, aliases);
249 cc8c2901 2021-04-29 op TAILQ_INSERT_TAIL(&host->aliases, a, aliases);
251 c74c7030 2021-07-19 op | CERT string {
252 c705ecb1 2021-05-03 op only_once(host->cert, "cert");
253 c705ecb1 2021-05-03 op host->cert = ensure_absolute_path($2);
255 c74c7030 2021-07-19 op | CGI string {
256 c705ecb1 2021-05-03 op only_once(host->cgi, "cgi");
257 15902770 2021-01-15 op /* drop the starting '/', if any */
258 709f4c94 2021-02-04 op if (*$2 == '/')
259 709f4c94 2021-02-04 op memmove($2, $2+1, strlen($2));
260 709f4c94 2021-02-04 op host->cgi = $2;
262 c74c7030 2021-07-19 op | ENTRYPOINT string {
263 c705ecb1 2021-05-03 op only_once(host->entrypoint, "entrypoint");
264 e3ddf390 2021-02-06 op while (*$2 == '/')
265 e3ddf390 2021-02-06 op memmove($2, $2+1, strlen($2));
266 e3ddf390 2021-02-06 op host->entrypoint = $2;
268 c74c7030 2021-07-19 op | ENV string '=' string {
269 762b9b99 2021-07-09 op add_param($2, $4, 1);
271 c74c7030 2021-07-19 op | KEY string {
272 c705ecb1 2021-05-03 op only_once(host->key, "key");
273 c705ecb1 2021-05-03 op host->key = ensure_absolute_path($2);
275 ff05125e 2021-10-15 op | OCSP string {
276 ff05125e 2021-10-15 op only_once(host->ocsp, "ocsp");
277 ff05125e 2021-10-15 op host->ocsp = ensure_absolute_path($2);
279 c74c7030 2021-07-19 op | PARAM string '=' string {
280 762b9b99 2021-07-09 op add_param($2, $4, 0);
286 7bdcc91e 2022-01-01 op proxy : PROXY proxy_opt
287 7bdcc91e 2022-01-01 op | PROXY '{' optnl proxy_opts '}'
290 7bdcc91e 2022-01-01 op proxy_opts : /* empty */
291 7bdcc91e 2022-01-01 op | proxy_opts proxy_opt optnl
294 7bdcc91e 2022-01-01 op proxy_opt : CERT string {
295 7bdcc91e 2022-01-01 op struct proxy *p = &host->proxy;
297 7bdcc91e 2022-01-01 op only_once(p->cert, "proxy cert");
298 7bdcc91e 2022-01-01 op ensure_absolute_path($2);
299 7bdcc91e 2022-01-01 op p->cert = tls_load_file($2, &p->certlen, NULL);
300 7bdcc91e 2022-01-01 op if (p->cert == NULL)
301 7bdcc91e 2022-01-01 op yyerror("can't load cert %s", $2);
303 7bdcc91e 2022-01-01 op | KEY string {
304 7bdcc91e 2022-01-01 op struct proxy *p = &host->proxy;
306 7bdcc91e 2022-01-01 op only_once(p->key, "proxy key");
307 7bdcc91e 2022-01-01 op ensure_absolute_path($2);
308 7bdcc91e 2022-01-01 op p->key = tls_load_file($2, &p->keylen, NULL);
309 7bdcc91e 2022-01-01 op if (p->key == NULL)
310 7bdcc91e 2022-01-01 op yyerror("can't load key %s", $2);
312 7bdcc91e 2022-01-01 op | RELAY_TO string {
314 7bdcc91e 2022-01-01 op const char *errstr;
315 7bdcc91e 2022-01-01 op struct proxy *p = &host->proxy;
317 7bdcc91e 2022-01-01 op only_once(p->host, "proxy relay-to");
318 7bdcc91e 2022-01-01 op p->host = $2;
320 7bdcc91e 2022-01-01 op if ((at = strchr($2, ':')) != NULL) {
321 7bdcc91e 2022-01-01 op *at++ = '\0';
322 7bdcc91e 2022-01-01 op p->port = at;
324 7bdcc91e 2022-01-01 op p->port = "1965";
326 7bdcc91e 2022-01-01 op strtonum(p->port, 1, UINT16_MAX, &errstr);
327 7bdcc91e 2022-01-01 op if (errstr != NULL)
328 7bdcc91e 2022-01-01 op yyerror("proxy port is %s: %s", errstr,
331 5128c0b0 2022-01-01 op | VERIFYNAME bool {
332 5128c0b0 2022-01-01 op host->proxy.noverifyname = !$2;
336 c8b74339 2021-01-24 op locations : /* empty */
337 c39be742 2021-07-09 op | locations location optnl
340 c74c7030 2021-07-19 op location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {
341 49b73ba1 2021-02-10 op /* drop the starting '/' if any */
342 49b73ba1 2021-02-10 op if (*$3 == '/')
343 49b73ba1 2021-02-10 op memmove($3, $3+1, strlen($3));
344 49b73ba1 2021-02-10 op loc->match = $3;
349 c8b74339 2021-01-24 op locopts : /* empty */
350 c39be742 2021-07-09 op | locopts locopt optnl
353 c74c7030 2021-07-19 op locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }
354 c74c7030 2021-07-19 op | BLOCK RETURN NUM string {
355 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
356 6abda252 2021-02-06 op loc->block_fmt = check_block_fmt($4);
357 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
359 c74c7030 2021-07-19 op | BLOCK RETURN NUM {
360 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
361 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
362 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
363 6abda252 2021-02-06 op if ($3 >= 30 && $3 < 40)
364 6abda252 2021-02-06 op yyerror("missing `meta' for block return %d", $3);
367 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
368 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
369 6abda252 2021-02-06 op loc->block_code = 40;
371 c74c7030 2021-07-19 op | DEFAULT TYPE string {
372 c705ecb1 2021-05-03 op only_once(loc->default_mime, "default type");
373 eb59f87e 2021-02-09 op loc->default_mime = $3;
375 abc8801d 2021-07-19 op | FASTCGI fastcgi
376 c74c7030 2021-07-19 op | INDEX string {
377 c705ecb1 2021-05-03 op only_once(loc->index, "index");
378 eb59f87e 2021-02-09 op loc->index = $2;
380 c74c7030 2021-07-19 op | LANG string {
381 c705ecb1 2021-05-03 op only_once(loc->lang, "lang");
382 eb59f87e 2021-02-09 op loc->lang = $2;
384 c74c7030 2021-07-19 op | LOG bool { loc->disable_log = !$2; }
385 da2185f3 2022-01-01 op | REQUIRE CLIENT CA string {
386 da2185f3 2022-01-01 op only_once(loc->reqca, "require client ca");
387 da2185f3 2022-01-01 op ensure_absolute_path($4);
388 da2185f3 2022-01-01 op if ((loc->reqca = load_ca($4)) == NULL)
389 da2185f3 2022-01-01 op yyerror("couldn't load ca cert: %s", $4);
392 da2185f3 2022-01-01 op | ROOT string {
393 da2185f3 2022-01-01 op only_once(loc->dir, "root");
394 da2185f3 2022-01-01 op loc->dir = ensure_absolute_path($2);
396 da2185f3 2022-01-01 op | STRIP NUM { loc->strip = check_strip_no($2); }
399 c74c7030 2021-07-19 op fastcgi : SPAWN string {
400 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
401 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf(NULL, NULL, $2);
404 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
405 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($1, NULL, NULL);
407 c74c7030 2021-07-19 op | TCP string PORT NUM {
409 762b9b99 2021-07-09 op if (asprintf(&c, "%d", $4) == -1)
410 0d047efc 2021-05-24 op err(1, "asprintf");
411 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
412 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, c, NULL);
414 c74c7030 2021-07-19 op | TCP string {
415 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
416 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, xstrdup("9000"), NULL);
418 c74c7030 2021-07-19 op | TCP string PORT string {
419 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
420 762b9b99 2021-07-09 op loc->fcgi = fastcgi_conf($2, $4, NULL);
424 c39be742 2021-07-09 op optnl : '\n' optnl /* zero or more newlines */
425 67f49405 2021-07-09 op | ';' optnl /* semicolons too */
431 74f0778b 2021-06-16 op static struct keyword {
432 74f0778b 2021-06-16 op const char *word;
434 74f0778b 2021-06-16 op } keywords[] = {
435 d93c8191 2021-07-09 op /* these MUST be sorted */
436 c74c7030 2021-07-19 op {"alias", ALIAS},
437 c74c7030 2021-07-19 op {"auto", AUTO},
438 c74c7030 2021-07-19 op {"block", BLOCK},
440 c74c7030 2021-07-19 op {"cert", CERT},
441 c74c7030 2021-07-19 op {"cgi", CGI},
442 c74c7030 2021-07-19 op {"chroot", CHROOT},
443 c74c7030 2021-07-19 op {"client", CLIENT},
444 c74c7030 2021-07-19 op {"default", DEFAULT},
445 c74c7030 2021-07-19 op {"entrypoint", ENTRYPOINT},
446 c74c7030 2021-07-19 op {"env", ENV},
447 abc8801d 2021-07-19 op {"fastcgi", FASTCGI},
448 c74c7030 2021-07-19 op {"index", INDEX},
449 c74c7030 2021-07-19 op {"ipv6", IPV6},
450 c74c7030 2021-07-19 op {"key", KEY},
451 c74c7030 2021-07-19 op {"lang", LANG},
452 c74c7030 2021-07-19 op {"location", LOCATION},
453 c74c7030 2021-07-19 op {"log", LOG},
454 c74c7030 2021-07-19 op {"map", MAP},
455 c74c7030 2021-07-19 op {"mime", MIME},
456 ff05125e 2021-10-15 op {"ocsp", OCSP},
457 c74c7030 2021-07-19 op {"off", OFF},
459 c74c7030 2021-07-19 op {"param", PARAM},
460 c74c7030 2021-07-19 op {"port", PORT},
461 c74c7030 2021-07-19 op {"prefork", PREFORK},
462 c74c7030 2021-07-19 op {"protocols", PROTOCOLS},
463 72b033ef 2021-12-29 op {"proxy", PROXY},
464 72b033ef 2021-12-29 op {"relay-to", RELAY_TO},
465 c74c7030 2021-07-19 op {"require", REQUIRE},
466 c74c7030 2021-07-19 op {"return", RETURN},
467 c74c7030 2021-07-19 op {"root", ROOT},
468 c74c7030 2021-07-19 op {"server", SERVER},
469 c74c7030 2021-07-19 op {"spawn", SPAWN},
470 c74c7030 2021-07-19 op {"strip", STRIP},
471 c74c7030 2021-07-19 op {"tcp", TCP},
472 c74c7030 2021-07-19 op {"to-ext", TOEXT},
473 c74c7030 2021-07-19 op {"type", TYPE},
474 c74c7030 2021-07-19 op {"user", USER},
475 5128c0b0 2022-01-01 op {"verifyname", VERIFYNAME},
479 c39be742 2021-07-09 op yyerror(const char *msg, ...)
483 c39be742 2021-07-09 op file->errors++;
485 c39be742 2021-07-09 op va_start(ap, msg);
486 f3966209 2021-07-13 op fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
487 f3966209 2021-07-13 op vfprintf(stderr, msg, ap);
488 f3966209 2021-07-13 op fprintf(stderr, "\n");
493 f3966209 2021-07-13 op yywarn(const char *msg, ...)
497 f3966209 2021-07-13 op va_start(ap, msg);
498 f3966209 2021-07-13 op fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
499 c39be742 2021-07-09 op vfprintf(stderr, msg, ap);
500 c39be742 2021-07-09 op fprintf(stderr, "\n");
505 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
507 d93c8191 2021-07-09 op return strcmp(k, ((struct keyword *)e)->word);
511 c39be742 2021-07-09 op lookup(char *s)
513 c39be742 2021-07-09 op const struct keyword *p;
515 c39be742 2021-07-09 op p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
516 c39be742 2021-07-09 op sizeof(keywords[0]), kw_cmp);
519 c39be742 2021-07-09 op return p->token;
521 c39be742 2021-07-09 op return STRING;
524 c39be742 2021-07-09 op #define START_EXPAND 1
525 c39be742 2021-07-09 op #define DONE_EXPAND 2
527 c39be742 2021-07-09 op static int expanding;
535 c39be742 2021-07-09 op if (file->ungetpos > 0)
536 c39be742 2021-07-09 op c = file->ungetbuf[--file->ungetpos];
538 c39be742 2021-07-09 op c = getc(file->stream);
540 c39be742 2021-07-09 op if (c == START_EXPAND)
541 c39be742 2021-07-09 op expanding = 1;
542 c39be742 2021-07-09 op else if (c == DONE_EXPAND)
543 c39be742 2021-07-09 op expanding = 0;
551 c39be742 2021-07-09 op lgetc(int quotec)
555 c39be742 2021-07-09 op if (quotec) {
556 c39be742 2021-07-09 op if ((c = igetc()) == EOF) {
557 c39be742 2021-07-09 op yyerror("reached end of file while parsing "
558 c39be742 2021-07-09 op "quoted string");
559 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
561 c39be742 2021-07-09 op return quotec;
566 c39be742 2021-07-09 op while ((c = igetc()) == '\\') {
567 c39be742 2021-07-09 op next = igetc();
568 c39be742 2021-07-09 op if (next != '\n') {
572 c39be742 2021-07-09 op yylval.lineno = file->lineno;
573 c39be742 2021-07-09 op file->lineno++;
576 c39be742 2021-07-09 op if (c == EOF) {
578 c39be742 2021-07-09 op * Fake EOL when hit EOF for the first time. This gets line
579 c39be742 2021-07-09 op * count right if last line in included file is syntactically
580 c39be742 2021-07-09 op * invalid and has no newline.
582 c39be742 2021-07-09 op if (file->eof_reached == 0) {
583 c39be742 2021-07-09 op file->eof_reached = 1;
586 c39be742 2021-07-09 op while (c == EOF) {
587 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
596 c39be742 2021-07-09 op lungetc(int c)
598 c39be742 2021-07-09 op if (c == EOF)
601 c39be742 2021-07-09 op if (file->ungetpos >= file->ungetsize) {
602 c39be742 2021-07-09 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
603 c39be742 2021-07-09 op if (p == NULL)
604 c39be742 2021-07-09 op err(1, "lungetc");
605 c39be742 2021-07-09 op file->ungetbuf = p;
606 c39be742 2021-07-09 op file->ungetsize *= 2;
608 c39be742 2021-07-09 op file->ungetbuf[file->ungetpos++] = c;
612 c39be742 2021-07-09 op findeol(void)
616 c39be742 2021-07-09 op /* Skip to either EOF or the first real EOL. */
618 c39be742 2021-07-09 op c = lgetc(0);
619 c39be742 2021-07-09 op if (c == '\n') {
620 c39be742 2021-07-09 op file->lineno++;
623 c39be742 2021-07-09 op if (c == EOF)
626 c39be742 2021-07-09 op return ERROR;
632 1bd706dc 2021-07-09 op char buf[8096];
633 1bd706dc 2021-07-09 op char *p, *val;
634 1bd706dc 2021-07-09 op int quotec, next, c;
639 c39be742 2021-07-09 op while ((c = lgetc(0)) == ' ' || c == '\t')
640 c39be742 2021-07-09 op ; /* nothing */
642 c39be742 2021-07-09 op yylval.lineno = file->lineno;
643 c39be742 2021-07-09 op if (c == '#')
644 c39be742 2021-07-09 op while ((c = lgetc(0)) != '\n' && c != EOF)
645 c39be742 2021-07-09 op ; /* nothing */
646 c39be742 2021-07-09 op if (c == '$' && !expanding) {
648 c39be742 2021-07-09 op if ((c = lgetc(0)) == EOF)
650 67f49405 2021-07-09 op if (p + 1 >= buf + sizeof(buf) -1) {
651 67f49405 2021-07-09 op yyerror("string too long");
652 67f49405 2021-07-09 op return findeol();
654 67f49405 2021-07-09 op if (isalnum(c) || c == '_') {
662 67f49405 2021-07-09 op val = symget(buf);
663 67f49405 2021-07-09 op if (val == NULL) {
664 67f49405 2021-07-09 op yyerror("macro `%s' not defined", buf);
665 67f49405 2021-07-09 op return findeol();
667 67f49405 2021-07-09 op yylval.v.string = xstrdup(val);
668 67f49405 2021-07-09 op return STRING;
670 67f49405 2021-07-09 op if (c == '@' && !expanding) {
672 67f49405 2021-07-09 op if ((c = lgetc(0)) == EOF)
675 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
676 c39be742 2021-07-09 op yyerror("string too long");
677 c39be742 2021-07-09 op return findeol();
679 c39be742 2021-07-09 op if (isalnum(c) || c == '_') {
687 c39be742 2021-07-09 op val = symget(buf);
688 c39be742 2021-07-09 op if (val == NULL) {
689 c39be742 2021-07-09 op yyerror("macro '%s' not defined", buf);
690 c39be742 2021-07-09 op return findeol();
692 c39be742 2021-07-09 op p = val + strlen(val) - 1;
693 c39be742 2021-07-09 op lungetc(DONE_EXPAND);
694 c39be742 2021-07-09 op while (p >= val) {
698 c39be742 2021-07-09 op lungetc(START_EXPAND);
707 c39be742 2021-07-09 op if ((c = lgetc(quotec)) == EOF)
709 c39be742 2021-07-09 op if (c == '\n') {
710 c39be742 2021-07-09 op file->lineno++;
712 c39be742 2021-07-09 op } else if (c == '\\') {
713 c39be742 2021-07-09 op if ((next = lgetc(quotec)) == EOF)
715 c39be742 2021-07-09 op if (next == quotec || next == ' ' ||
716 c39be742 2021-07-09 op next == '\t')
718 c39be742 2021-07-09 op else if (next == '\n') {
719 c39be742 2021-07-09 op file->lineno++;
722 c39be742 2021-07-09 op lungetc(next);
723 c39be742 2021-07-09 op } else if (c == quotec) {
726 c39be742 2021-07-09 op } else if (c == '\0') {
727 f3966209 2021-07-13 op yyerror("invalid syntax");
728 c39be742 2021-07-09 op return findeol();
730 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
731 c39be742 2021-07-09 op yyerror("string too long");
732 c39be742 2021-07-09 op return findeol();
736 c39be742 2021-07-09 op yylval.v.string = strdup(buf);
737 c39be742 2021-07-09 op if (yylval.v.string == NULL)
738 c39be742 2021-07-09 op err(1, "yylex: strdup");
739 c39be742 2021-07-09 op return STRING;
742 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
743 c39be742 2021-07-09 op (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
745 c39be742 2021-07-09 op if (c == '-' || isdigit(c)) {
748 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
749 c39be742 2021-07-09 op yyerror("string too long");
750 c39be742 2021-07-09 op return findeol();
752 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && isdigit(c));
754 c39be742 2021-07-09 op if (p == buf + 1 && buf[0] == '-')
755 c39be742 2021-07-09 op goto nodigits;
756 c39be742 2021-07-09 op if (c == EOF || allowed_to_end_number(c)) {
757 c39be742 2021-07-09 op const char *errstr = NULL;
760 c39be742 2021-07-09 op yylval.v.number = strtonum(buf, LLONG_MIN,
761 c39be742 2021-07-09 op LLONG_MAX, &errstr);
762 c39be742 2021-07-09 op if (errstr) {
763 c39be742 2021-07-09 op yyerror("\"%s\" invalid number: %s",
764 c39be742 2021-07-09 op buf, errstr);
765 c39be742 2021-07-09 op return findeol();
770 c39be742 2021-07-09 op while (p > buf + 1)
771 c39be742 2021-07-09 op lungetc(*--p);
773 c39be742 2021-07-09 op if (c == '-')
778 c39be742 2021-07-09 op #define allowed_in_string(x) \
779 c39be742 2021-07-09 op (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
780 c39be742 2021-07-09 op x != '{' && x != '}' && \
781 c39be742 2021-07-09 op x != '!' && x != '=' && x != '#' && \
782 67f49405 2021-07-09 op x != ',' && x != ';'))
784 67f49405 2021-07-09 op if (isalnum(c) || c == ':' || c == '_') {
787 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
788 c39be742 2021-07-09 op yyerror("string too long");
789 c39be742 2021-07-09 op return findeol();
791 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
794 c39be742 2021-07-09 op if ((token = lookup(buf)) == STRING)
795 c39be742 2021-07-09 op yylval.v.string = xstrdup(buf);
796 c39be742 2021-07-09 op return token;
798 c39be742 2021-07-09 op if (c == '\n') {
799 c39be742 2021-07-09 op yylval.lineno = file->lineno;
800 c39be742 2021-07-09 op file->lineno++;
802 c39be742 2021-07-09 op if (c == EOF)
807 c39be742 2021-07-09 op struct file *
808 c39be742 2021-07-09 op pushfile(const char *name, int secret)
810 c39be742 2021-07-09 op struct file *nfile;
812 c39be742 2021-07-09 op nfile = xcalloc(1, sizeof(*nfile));
813 c39be742 2021-07-09 op nfile->name = xstrdup(name);
814 c39be742 2021-07-09 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
815 83272dfe 2021-08-23 op log_warn(NULL, "can't open %s: %s", nfile->name,
816 c39be742 2021-07-09 op strerror(errno));
817 c39be742 2021-07-09 op free(nfile->name);
821 c39be742 2021-07-09 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
822 c39be742 2021-07-09 op nfile->ungetsize = 16;
823 c39be742 2021-07-09 op nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
824 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&files, nfile, entry);
825 c39be742 2021-07-09 op return nfile;
829 c39be742 2021-07-09 op popfile(void)
831 c39be742 2021-07-09 op struct file *prev;
833 c39be742 2021-07-09 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
834 c39be742 2021-07-09 op prev->errors += file->errors;
836 c39be742 2021-07-09 op TAILQ_REMOVE(&files, file, entry);
837 c39be742 2021-07-09 op fclose(file->stream);
838 c39be742 2021-07-09 op free(file->name);
839 c39be742 2021-07-09 op free(file->ungetbuf);
842 c39be742 2021-07-09 op return file ? 0 : EOF;
846 c39be742 2021-07-09 op parse_conf(const char *filename)
848 c39be742 2021-07-09 op struct sym *sym, *next;
850 c39be742 2021-07-09 op file = pushfile(filename, 0);
851 c39be742 2021-07-09 op if (file == NULL)
853 c39be742 2021-07-09 op topfile = file;
856 c39be742 2021-07-09 op errors = file->errors;
859 c39be742 2021-07-09 op /* Free macros and check which have not been used. */
860 3b21cca3 2021-06-29 op TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
861 3b21cca3 2021-06-29 op /* TODO: warn if !sym->used */
862 3b21cca3 2021-06-29 op if (!sym->persist) {
863 3b21cca3 2021-06-29 op free(sym->name);
864 3b21cca3 2021-06-29 op free(sym->val);
865 3b21cca3 2021-06-29 op TAILQ_REMOVE(&symhead, sym, entry);
875 f0a01fc7 2021-10-09 op print_conf(void)
877 f0a01fc7 2021-10-09 op struct vhost *h;
878 f0a01fc7 2021-10-09 op /* struct location *l; */
879 f0a01fc7 2021-10-09 op /* struct envlist *e; */
880 f0a01fc7 2021-10-09 op /* struct alist *a; */
882 f0a01fc7 2021-10-09 op if (conf.chroot != NULL)
883 f0a01fc7 2021-10-09 op printf("chroot \"%s\"\n", conf.chroot);
884 f0a01fc7 2021-10-09 op printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");
885 f0a01fc7 2021-10-09 op /* XXX: defined mimes? */
886 f0a01fc7 2021-10-09 op printf("port %d\n", conf.port);
887 f0a01fc7 2021-10-09 op printf("prefork %d\n", conf.prefork);
888 f0a01fc7 2021-10-09 op /* XXX: protocols? */
889 f0a01fc7 2021-10-09 op if (conf.user != NULL)
890 f0a01fc7 2021-10-09 op printf("user \"%s\"\n", conf.user);
892 f0a01fc7 2021-10-09 op TAILQ_FOREACH(h, &hosts, vhosts) {
893 f0a01fc7 2021-10-09 op printf("\nserver \"%s\" {\n", h->domain);
894 f0a01fc7 2021-10-09 op printf(" cert \"%s\"\n", h->cert);
895 f0a01fc7 2021-10-09 op printf(" key \"%s\"\n", h->key);
896 f0a01fc7 2021-10-09 op /* TODO: print locations... */
897 f0a01fc7 2021-10-09 op printf("}\n");
902 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
904 c39be742 2021-07-09 op struct sym *sym;
906 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
907 c39be742 2021-07-09 op if (!strcmp(name, sym->name))
911 c39be742 2021-07-09 op if (sym != NULL) {
912 c39be742 2021-07-09 op if (sym->persist)
915 c39be742 2021-07-09 op free(sym->name);
916 c39be742 2021-07-09 op free(sym->val);
917 c39be742 2021-07-09 op TAILQ_REMOVE(&symhead, sym, entry);
922 c39be742 2021-07-09 op sym = xcalloc(1, sizeof(*sym));
923 c39be742 2021-07-09 op sym->name = xstrdup(name);
924 c39be742 2021-07-09 op sym->val = xstrdup(val);
925 c39be742 2021-07-09 op sym->used = 0;
926 c39be742 2021-07-09 op sym->persist = persist;
928 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&symhead, sym, entry);
933 c39be742 2021-07-09 op cmdline_symset(char *s)
935 c39be742 2021-07-09 op char *sym, *val;
938 c39be742 2021-07-09 op if ((val = strrchr(s, '=')) == NULL)
940 c39be742 2021-07-09 op sym = xcalloc(1, val - s + 1);
941 c39be742 2021-07-09 op memcpy(sym, s, val - s);
942 c39be742 2021-07-09 op ret = symset(sym, val + 1, 1);
948 c39be742 2021-07-09 op symget(const char *nam)
950 c39be742 2021-07-09 op struct sym *sym;
952 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
953 c39be742 2021-07-09 op if (strcmp(nam, sym->name) == 0) {
954 c39be742 2021-07-09 op sym->used = 1;
955 c39be742 2021-07-09 op return sym->val;
961 c39be742 2021-07-09 op struct vhost *
962 c39be742 2021-07-09 op new_vhost(void)
964 c39be742 2021-07-09 op return xcalloc(1, sizeof(struct vhost));
967 c39be742 2021-07-09 op struct location *
968 c39be742 2021-07-09 op new_location(void)
970 c39be742 2021-07-09 op struct location *l;
972 c39be742 2021-07-09 op l = xcalloc(1, sizeof(*l));
973 c39be742 2021-07-09 op l->dirfd = -1;
974 c39be742 2021-07-09 op l->fcgi = -1;
979 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
981 e17642a7 2021-02-01 op if (path == NULL || *path != '/')
982 adbe6a64 2021-04-30 op yyerror("not an absolute path: %s", path);
987 6abda252 2021-02-06 op check_block_code(int n)
989 6abda252 2021-02-06 op if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
990 6abda252 2021-02-06 op yyerror("invalid block code %d", n);
995 6abda252 2021-02-06 op check_block_fmt(char *fmt)
999 6abda252 2021-02-06 op for (s = fmt; *s; ++s) {
1000 6abda252 2021-02-06 op if (*s != '%')
1002 6abda252 2021-02-06 op switch (*++s) {
1010 6abda252 2021-02-06 op yyerror("invalid format specifier %%%c", *s);
1018 6abda252 2021-02-06 op check_strip_no(int n)
1021 6abda252 2021-02-06 op yyerror("invalid strip number %d", n);
1026 391825e3 2021-07-09 op check_port_num(int n)
1028 391825e3 2021-07-09 op if (n <= 0 || n >= UINT16_MAX)
1029 391825e3 2021-07-09 op yyerror("port number is %s: %d",
1030 391825e3 2021-07-09 op n <= 0 ? "too small" : "too large",
1036 a709ddf5 2021-02-07 op check_prefork_num(int n)
1038 2c3e53da 2021-03-03 op if (n <= 0 || n >= PROC_MAX)
1039 a709ddf5 2021-02-07 op yyerror("invalid prefork number %d", n);
1044 49b73ba1 2021-02-10 op advance_loc(void)
1046 b8e64ccd 2021-03-31 op loc = new_location();
1047 b8e64ccd 2021-03-31 op TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1051 c705ecb1 2021-05-03 op only_once(const void *ptr, const char *name)
1053 c705ecb1 2021-05-03 op if (ptr != NULL)
1054 c705ecb1 2021-05-03 op yyerror("`%s' specified more than once", name);
1058 8ad1c570 2021-05-09 op only_oncei(int i, const char *name)
1060 8ad1c570 2021-05-09 op if (i != -1)
1061 8ad1c570 2021-05-09 op yyerror("`%s' specified more than once", name);
1065 8ad1c570 2021-05-09 op fastcgi_conf(char *path, char *port, char *prog)
1067 8ad1c570 2021-05-09 op struct fcgi *f;
1070 8ad1c570 2021-05-09 op for (i = 0; i < FCGI_MAX; ++i) {
1071 8ad1c570 2021-05-09 op f = &fcgi[i];
1073 8ad1c570 2021-05-09 op if (f->path == NULL) {
1075 8ad1c570 2021-05-09 op f->path = path;
1076 8ad1c570 2021-05-09 op f->port = port;
1077 8ad1c570 2021-05-09 op f->prog = prog;
1081 8ad1c570 2021-05-09 op /* XXX: what to do with prog? */
1082 8ad1c570 2021-05-09 op if (!strcmp(f->path, path) &&
1083 8ad1c570 2021-05-09 op ((port == NULL && f->port == NULL) ||
1084 8ad1c570 2021-05-09 op !strcmp(f->port, port))) {
1091 8ad1c570 2021-05-09 op yyerror("too much `fastcgi' rules defined.");
1096 c92b802b 2021-06-11 op add_param(char *name, char *val, int env)
1098 c92b802b 2021-06-11 op struct envlist *e;
1099 c92b802b 2021-06-11 op struct envhead *h;
1102 c92b802b 2021-06-11 op h = &host->env;
1104 c92b802b 2021-06-11 op h = &host->params;
1106 c92b802b 2021-06-11 op e = xcalloc(1, sizeof(*e));
1107 c92b802b 2021-06-11 op e->name = name;
1108 c92b802b 2021-06-11 op e->value = val;
1109 c92b802b 2021-06-11 op if (TAILQ_EMPTY(h))
1110 c92b802b 2021-06-11 op TAILQ_INSERT_HEAD(h, e, envs);
1112 c92b802b 2021-06-11 op TAILQ_INSERT_TAIL(h, e, envs);
